puc.c (102717) | puc.c (102734) |
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1/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ 2 3/*- 4 * Copyright (c) 2002 JF Hay. All rights reserved. 5 * Copyright (c) 2000 M. Warner Losh. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 44 unchanged lines hidden (view full) --- 53 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 54 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 55 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 56 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 57 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 58 */ 59 60#include <sys/cdefs.h> | 1/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ 2 3/*- 4 * Copyright (c) 2002 JF Hay. All rights reserved. 5 * Copyright (c) 2000 M. Warner Losh. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 44 unchanged lines hidden (view full) --- 53 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 54 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 55 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 56 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 57 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 58 */ 59 60#include <sys/cdefs.h> |
61__FBSDID("$FreeBSD: head/sys/dev/puc/puc.c 102717 2002-08-31 18:42:31Z phk $"); | 61__FBSDID("$FreeBSD: head/sys/dev/puc/puc.c 102734 2002-08-31 20:29:46Z phk $"); |
62 63/* 64 * PCI "universal" communication card device driver, glues com, lpt, 65 * and similar ports to PCI via bridge chip often much larger than 66 * the devices being glued. 67 * 68 * Author: Christopher G. Demetriou, May 14, 1998 (derived from NetBSD 69 * sys/dev/pci/pciide.c, revision 1.6). --- 33 unchanged lines hidden (view full) --- 103 104struct puc_device { 105 struct resource_list resources; 106 u_int serialfreq; 107}; 108 109static void puc_intr(void *arg); 110 | 62 63/* 64 * PCI "universal" communication card device driver, glues com, lpt, 65 * and similar ports to PCI via bridge chip often much larger than 66 * the devices being glued. 67 * 68 * Author: Christopher G. Demetriou, May 14, 1998 (derived from NetBSD 69 * sys/dev/pci/pciide.c, revision 1.6). --- 33 unchanged lines hidden (view full) --- 103 104struct puc_device { 105 struct resource_list resources; 106 u_int serialfreq; 107}; 108 109static void puc_intr(void *arg); 110 |
111static void puc_config_superio(device_t); 112static void puc_config_win877(struct resource *); | |
113static int puc_find_free_unit(char *); 114#ifdef PUC_DEBUG | 111static int puc_find_free_unit(char *); 112#ifdef PUC_DEBUG |
115static void puc_print_win877(bus_space_tag_t, bus_space_handle_t, u_int, 116 u_int); | |
117static void puc_print_resource_list(struct resource_list *); 118#endif 119 | 113static void puc_print_resource_list(struct resource_list *); 114#endif 115 |
116static int 117puc_port_bar_index(struct puc_softc *sc, int bar) 118{ 119 int i; 120 121 for (i = 0; i < PUC_MAX_BAR; i += 1) { 122 if (!sc->sc_bar_mappings[i].used) 123 break; 124 if (sc->sc_bar_mappings[i].bar == bar) 125 return (i); 126 } 127 sc->sc_bar_mappings[i].bar = bar; 128 sc->sc_bar_mappings[i].used = 1; 129 return (i); 130} 131 |
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120int 121puc_attach(device_t dev, const struct puc_device_description *desc) 122{ 123 char *typestr; 124 int bidx, childunit, i, irq_setup, rid; 125 struct puc_softc *sc; 126 struct puc_device *pdev; 127 struct resource *res; 128 struct resource_list_entry *rle; 129 130 sc = (struct puc_softc *)device_get_softc(dev); 131 bzero(sc, sizeof(*sc)); 132 sc->sc_desc = desc; | 132int 133puc_attach(device_t dev, const struct puc_device_description *desc) 134{ 135 char *typestr; 136 int bidx, childunit, i, irq_setup, rid; 137 struct puc_softc *sc; 138 struct puc_device *pdev; 139 struct resource *res; 140 struct resource_list_entry *rle; 141 142 sc = (struct puc_softc *)device_get_softc(dev); 143 bzero(sc, sizeof(*sc)); 144 sc->sc_desc = desc; |
133 | |
134 if (sc->sc_desc == NULL) 135 return (ENXIO); 136 137#ifdef PUC_DEBUG 138 bootverbose = 1; 139 140 printf("puc: name: %s\n", sc->sc_desc->name); 141#endif --- 14 unchanged lines hidden (view full) --- 156 if (irq_setup != 0) 157 irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res, 158 INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie); 159 if (irq_setup != 0) 160 return (ENXIO); 161 162 rid = 0; 163 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { | 145 if (sc->sc_desc == NULL) 146 return (ENXIO); 147 148#ifdef PUC_DEBUG 149 bootverbose = 1; 150 151 printf("puc: name: %s\n", sc->sc_desc->name); 152#endif --- 14 unchanged lines hidden (view full) --- 167 if (irq_setup != 0) 168 irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res, 169 INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie); 170 if (irq_setup != 0) 171 return (ENXIO); 172 173 rid = 0; 174 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { |
164 if (rid == sc->sc_desc->ports[i].bar) | 175 if (i > 0 && rid == sc->sc_desc->ports[i].bar) |
165 sc->barmuxed = 1; 166 rid = sc->sc_desc->ports[i].bar; | 176 sc->barmuxed = 1; 177 rid = sc->sc_desc->ports[i].bar; |
167 bidx = PUC_PORT_BAR_INDEX(rid); | 178 bidx = puc_port_bar_index(sc, rid); |
168 169 if (sc->sc_bar_mappings[bidx].res != NULL) 170 continue; 171 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 172 0ul, ~0ul, 1, RF_ACTIVE); 173 if (res == NULL) { 174 printf("could not get resource\n"); 175 continue; 176 } 177 sc->sc_bar_mappings[bidx].res = res; 178#ifdef PUC_DEBUG | 179 180 if (sc->sc_bar_mappings[bidx].res != NULL) 181 continue; 182 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 183 0ul, ~0ul, 1, RF_ACTIVE); 184 if (res == NULL) { 185 printf("could not get resource\n"); 186 continue; 187 } 188 sc->sc_bar_mappings[bidx].res = res; 189#ifdef PUC_DEBUG |
179 printf("port bst %x, start %x, end %x\n", | 190 printf("port rid %d bst %x, start %x, end %x\n", rid, |
180 (u_int)rman_get_bustag(res), (u_int)rman_get_start(res), 181 (u_int)rman_get_end(res)); 182#endif 183 } 184 | 191 (u_int)rman_get_bustag(res), (u_int)rman_get_start(res), 192 (u_int)rman_get_end(res)); 193#endif 194 } 195 |
185 puc_config_superio(dev); | 196 if (desc->init != NULL) { 197 i = desc->init(sc); 198 if (i != 0) 199 return (i); 200 } |
186 187 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 188 rid = sc->sc_desc->ports[i].bar; | 201 202 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 203 rid = sc->sc_desc->ports[i].bar; |
189 bidx = PUC_PORT_BAR_INDEX(rid); | 204 bidx = puc_port_bar_index(sc, rid); |
190 if (sc->sc_bar_mappings[bidx].res == NULL) 191 continue; 192 193 switch (sc->sc_desc->ports[i].type) { 194 case PUC_PORT_TYPE_COM: 195 typestr = "sio"; 196 break; 197 default: --- 11 unchanged lines hidden (view full) --- 209 rman_get_end(sc->irqres) - rman_get_start(sc->irqres) + 1); 210 rle = resource_list_find(&pdev->resources, SYS_RES_IRQ, 0); 211 rle->res = sc->irqres; 212 213 /* Now fake an IOPORT resource */ 214 res = sc->sc_bar_mappings[bidx].res; 215 resource_list_add(&pdev->resources, SYS_RES_IOPORT, 0, 216 rman_get_start(res) + sc->sc_desc->ports[i].offset, | 205 if (sc->sc_bar_mappings[bidx].res == NULL) 206 continue; 207 208 switch (sc->sc_desc->ports[i].type) { 209 case PUC_PORT_TYPE_COM: 210 typestr = "sio"; 211 break; 212 default: --- 11 unchanged lines hidden (view full) --- 224 rman_get_end(sc->irqres) - rman_get_start(sc->irqres) + 1); 225 rle = resource_list_find(&pdev->resources, SYS_RES_IRQ, 0); 226 rle->res = sc->irqres; 227 228 /* Now fake an IOPORT resource */ 229 res = sc->sc_bar_mappings[bidx].res; 230 resource_list_add(&pdev->resources, SYS_RES_IOPORT, 0, 231 rman_get_start(res) + sc->sc_desc->ports[i].offset, |
217 rman_get_end(res) + sc->sc_desc->ports[i].offset + 8 - 1, | 232 rman_get_start(res) + sc->sc_desc->ports[i].offset + 8 - 1, |
218 8); 219 rle = resource_list_find(&pdev->resources, SYS_RES_IOPORT, 0); 220 221 if (sc->barmuxed == 0) { 222 rle->res = sc->sc_bar_mappings[bidx].res; 223 } else { 224 rle->res = malloc(sizeof(struct resource), M_DEVBUF, 225 M_WAITOK | M_ZERO); --- 62 unchanged lines hidden (view full) --- 288 * tell us which device generated the interrupt. 289 */ 290static void 291puc_intr(void *arg) 292{ 293 int i; 294 struct puc_softc *sc; 295 | 233 8); 234 rle = resource_list_find(&pdev->resources, SYS_RES_IOPORT, 0); 235 236 if (sc->barmuxed == 0) { 237 rle->res = sc->sc_bar_mappings[bidx].res; 238 } else { 239 rle->res = malloc(sizeof(struct resource), M_DEVBUF, 240 M_WAITOK | M_ZERO); --- 62 unchanged lines hidden (view full) --- 303 * tell us which device generated the interrupt. 304 */ 305static void 306puc_intr(void *arg) 307{ 308 int i; 309 struct puc_softc *sc; 310 |
311printf("puc_intr\n"); |
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296 sc = (struct puc_softc *)arg; 297 for (i = 0; i < PUC_MAX_PORTS; i++) 298 if (sc->sc_ports[i].ihand != NULL) 299 (sc->sc_ports[i].ihand)(sc->sc_ports[i].ihandarg); 300} 301 302const struct puc_device_description * 303puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend, --- 11 unchanged lines hidden (view full) --- 315 checkreg(sprod, PUC_REG_SPROD)) 316 return (&puc_devices[i]); 317 } 318 319#undef checkreg 320 321 return (NULL); 322} | 312 sc = (struct puc_softc *)arg; 313 for (i = 0; i < PUC_MAX_PORTS; i++) 314 if (sc->sc_ports[i].ihand != NULL) 315 (sc->sc_ports[i].ihand)(sc->sc_ports[i].ihandarg); 316} 317 318const struct puc_device_description * 319puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend, --- 11 unchanged lines hidden (view full) --- 331 checkreg(sprod, PUC_REG_SPROD)) 332 return (&puc_devices[i]); 333 } 334 335#undef checkreg 336 337 return (NULL); 338} |
323 324/* 325 * It might be possible to make these more generic if we can detect patterns. 326 * For instance maybe if the size of a bar is 0x400 (the old isa space) it 327 * might contain one or more superio chips. 328 */ 329static void 330puc_config_superio(device_t dev) 331{ 332 struct puc_softc *sc = (struct puc_softc *)device_get_softc(dev); 333 334 if (sc->sc_desc->rval[PUC_REG_VEND] == 0x1592 && 335 sc->sc_desc->rval[PUC_REG_PROD] == 0x0781) 336 puc_config_win877(sc->sc_bar_mappings[0].res); 337} 338 339#define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \ 340 bus_space_read_1(bst, bsh, efdr)) 341#define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \ 342 bus_space_write_1(bst, bsh, efdr, data)) 343 344#ifdef PUC_DEBUG 345static void 346puc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir, 347 u_int efdr) 348{ 349 u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17; 350 u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32; 351 352 cr00 = rdspio(0x00); 353 cr01 = rdspio(0x01); 354 cr04 = rdspio(0x04); 355 cr09 = rdspio(0x09); 356 cr0d = rdspio(0x0d); 357 cr14 = rdspio(0x14); 358 cr15 = rdspio(0x15); 359 cr16 = rdspio(0x16); 360 cr17 = rdspio(0x17); 361 cr18 = rdspio(0x18); 362 cr19 = rdspio(0x19); 363 cr24 = rdspio(0x24); 364 cr25 = rdspio(0x25); 365 cr28 = rdspio(0x28); 366 cr2c = rdspio(0x2c); 367 cr31 = rdspio(0x31); 368 cr32 = rdspio(0x32); 369 printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, " 370 "cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, " 371 "cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09, 372 cr0d, cr14, cr15, cr16, cr17, 373 cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32); 374} 375#endif 376 377static void 378puc_config_win877(struct resource *res) 379{ 380 u_char val; 381 u_int efir, efdr; 382 bus_space_tag_t bst; 383 bus_space_handle_t bsh; 384 385 bst = rman_get_bustag(res); 386 bsh = rman_get_bushandle(res); 387 388 /* configure the first W83877TF */ 389 bus_space_write_1(bst, bsh, 0x250, 0x89); 390 efir = 0x251; 391 efdr = 0x252; 392 val = rdspio(0x09) & 0x0f; 393 if (val != 0x0c) { 394 printf("conf_win877: Oops not a W83877TF\n"); 395 return; 396 } 397 398#ifdef PUC_DEBUG 399 printf("before: "); 400 puc_print_win877(bst, bsh, efir, efdr); 401#endif 402 403 val = rdspio(0x16); 404 val |= 0x04; 405 wrspio(0x16, val); 406 val &= ~0x04; 407 wrspio(0x16, val); 408 409 wrspio(0x24, 0x2e8 >> 2); 410 wrspio(0x25, 0x2f8 >> 2); 411 wrspio(0x17, 0x03); 412 wrspio(0x28, 0x43); 413 414#ifdef PUC_DEBUG 415 printf("after: "); 416 puc_print_win877(bst, bsh, efir, efdr); 417#endif 418 419 bus_space_write_1(bst, bsh, 0x250, 0xaa); 420 421 /* configure the second W83877TF */ 422 bus_space_write_1(bst, bsh, 0x3f0, 0x87); 423 bus_space_write_1(bst, bsh, 0x3f0, 0x87); 424 efir = 0x3f0; 425 efdr = 0x3f1; 426 val = rdspio(0x09) & 0x0f; 427 if (val != 0x0c) { 428 printf("conf_win877: Oops not a W83877TF\n"); 429 return; 430 } 431 432#ifdef PUC_DEBUG 433 printf("before: "); 434 puc_print_win877(bst, bsh, efir, efdr); 435#endif 436 437 val = rdspio(0x16); 438 val |= 0x04; 439 wrspio(0x16, val); 440 val &= ~0x04; 441 wrspio(0x16, val); 442 443 wrspio(0x24, 0x3e8 >> 2); 444 wrspio(0x25, 0x3f8 >> 2); 445 wrspio(0x17, 0x03); 446 wrspio(0x28, 0x43); 447 448#ifdef PUC_DEBUG 449 printf("after: "); 450 puc_print_win877(bst, bsh, efir, efdr); 451#endif 452 453 bus_space_write_1(bst, bsh, 0x3f0, 0xaa); 454} 455 456#undef rdspio 457#undef wrspio 458 | |
459static int puc_find_free_unit(char *name) 460{ 461 devclass_t dc; 462 int start; 463 int unit; 464 465 unit = 0; 466 start = 0; --- 10 unchanged lines hidden (view full) --- 477#endif 478 return (unit); 479} 480 481#ifdef PUC_DEBUG 482static void 483puc_print_resource_list(struct resource_list *rl) 484{ | 339static int puc_find_free_unit(char *name) 340{ 341 devclass_t dc; 342 int start; 343 int unit; 344 345 unit = 0; 346 start = 0; --- 10 unchanged lines hidden (view full) --- 357#endif 358 return (unit); 359} 360 361#ifdef PUC_DEBUG 362static void 363puc_print_resource_list(struct resource_list *rl) 364{ |
365#if 0 |
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485 struct resource_list_entry *rle; 486 487 printf("print_resource_list: rl %p\n", rl); 488 SLIST_FOREACH(rle, rl, link) | 366 struct resource_list_entry *rle; 367 368 printf("print_resource_list: rl %p\n", rl); 369 SLIST_FOREACH(rle, rl, link) |
489 printf("type %x, rid %x\n", rle->type, rle->rid); | 370 printf(" type %x, rid %x start %x end %x count %x\n", 371 rle->type, rle->rid, rle->start, rle->end, rle->count); |
490 printf("print_resource_list: end.\n"); | 372 printf("print_resource_list: end.\n"); |
373#endif |
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491} 492#endif 493 494struct resource * 495puc_alloc_resource(device_t dev, device_t child, int type, int *rid, 496 u_long start, u_long end, u_long count, u_int flags) 497{ 498 struct puc_device *pdev; --- 68 unchanged lines hidden (view full) --- 567 568int 569puc_setup_intr(device_t dev, device_t child, struct resource *r, int flags, 570 void (*ihand)(void *), void *arg, void **cookiep) 571{ 572 int i; 573 struct puc_softc *sc; 574 | 374} 375#endif 376 377struct resource * 378puc_alloc_resource(device_t dev, device_t child, int type, int *rid, 379 u_long start, u_long end, u_long count, u_int flags) 380{ 381 struct puc_device *pdev; --- 68 unchanged lines hidden (view full) --- 450 451int 452puc_setup_intr(device_t dev, device_t child, struct resource *r, int flags, 453 void (*ihand)(void *), void *arg, void **cookiep) 454{ 455 int i; 456 struct puc_softc *sc; 457 |
458printf("puc_setup_intr()\n"); |
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575 sc = (struct puc_softc *)device_get_softc(dev); 576 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 577 if (sc->sc_ports[i].dev == child) { 578 if (sc->sc_ports[i].ihand != 0) 579 return (ENXIO); 580 sc->sc_ports[i].ihand = ihand; 581 sc->sc_ports[i].ihandarg = arg; 582 *cookiep = arg; --- 5 unchanged lines hidden (view full) --- 588 589int 590puc_teardown_intr(device_t dev, device_t child, struct resource *r, 591 void *cookie) 592{ 593 int i; 594 struct puc_softc *sc; 595 | 459 sc = (struct puc_softc *)device_get_softc(dev); 460 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 461 if (sc->sc_ports[i].dev == child) { 462 if (sc->sc_ports[i].ihand != 0) 463 return (ENXIO); 464 sc->sc_ports[i].ihand = ihand; 465 sc->sc_ports[i].ihandarg = arg; 466 *cookiep = arg; --- 5 unchanged lines hidden (view full) --- 472 473int 474puc_teardown_intr(device_t dev, device_t child, struct resource *r, 475 void *cookie) 476{ 477 int i; 478 struct puc_softc *sc; 479 |
480printf("puc_teardown_intr()\n"); |
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596 sc = (struct puc_softc *)device_get_softc(dev); 597 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 598 if (sc->sc_ports[i].dev == child) { 599 sc->sc_ports[i].ihand = NULL; 600 sc->sc_ports[i].ihandarg = NULL; 601 return (0); 602 } 603 } --- 24 unchanged lines hidden --- | 481 sc = (struct puc_softc *)device_get_softc(dev); 482 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 483 if (sc->sc_ports[i].dev == child) { 484 sc->sc_ports[i].ihand = NULL; 485 sc->sc_ports[i].ihandarg = NULL; 486 return (0); 487 } 488 } --- 24 unchanged lines hidden --- |